In Moodle, insufficient capability checks meant message deletions were not limited to the current user.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "3.9.8"
},
{
"introduced": "3.10.0"
},
{
"fixed": "3.10.5"
},
{
"introduced": "3.11.0"
},
{
"fixed": "3.11.1"
}
]
}